1555493640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{317}}^1\times {\mathrm{397}}^1$

素因数の和:831

約数の個数: 128

約数和(自身を含む): 4738556160

約数和(自身を除く): 3183062520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 120, 206, 309, 317, 397, 412, 515, 618, 634, 794, 824, 951, 1030, 1191, 1236, 1268, 1545, 1585, 1588, 1902, 1985, 2060, 2382, 2472, 2536, 3090, 3170, 3176, 3804, 3970, 4120, 4755, 4764, 5955, 6180, 6340, 7608, 7940, 9510, 9528, 11910, 12360, 12680, 15880, 19020, 23820, 32651, 38040, 40891, 47640, 65302, 81782, 97953, 122673, 125849, 130604, 163255, 163564, 195906, 204455, 245346, 251698, 261208, 326510, 327128, 377547, 391812, 408910, 489765, 490692, 503396, 613365, 629245, 653020, 755094, 783624, 817820, 979530, 981384, 1006792, 1226730, 1258490, 1306040, 1510188, 1635640, 1887735, 1959060, 2453460, 2516980, 3020376, 3775470, 3918120, 4906920, 5033960, 7550940, 12962447, 15101880, 25924894, 38887341, 51849788, 64812235, 77774682, 103699576, 129624470, 155549364, 194436705, 259248940, 311098728, 388873410, 518497880, 777746820, 1555493640]

約数ペア:

[(1, 1555493640), (2, 777746820), (3, 518497880), (4, 388873410), (5, 311098728), (6, 259248940), (8, 194436705), (10, 155549364), (12, 129624470), (15, 103699576), (20, 77774682), (24, 64812235), (30, 51849788), (40, 38887341), (60, 25924894), (103, 15101880), (120, 12962447), (206, 7550940), (309, 5033960), (317, 4906920), (397, 3918120), (412, 3775470), (515, 3020376), (618, 2516980), (634, 2453460), (794, 1959060), (824, 1887735), (951, 1635640), (1030, 1510188), (1191, 1306040), (1236, 1258490), (1268, 1226730), (1545, 1006792), (1585, 981384), (1588, 979530), (1902, 817820), (1985, 783624), (2060, 755094), (2382, 653020), (2472, 629245), (2536, 613365), (3090, 503396), (3170, 490692), (3176, 489765), (3804, 408910), (3970, 391812), (4120, 377547), (4755, 327128), (4764, 326510), (5955, 261208), (6180, 251698), (6340, 245346), (7608, 204455), (7940, 195906), (9510, 163564), (9528, 163255), (11910, 130604), (12360, 125849), (12680, 122673), (15880, 97953), (19020, 81782), (23820, 65302), (32651, 47640), (38040, 40891)]